<template>
  <div class="login_body">
    <div class="bg" />
    <div class="box">
      <div class="title">智慧园区-登录</div>
      <el-form ref="form" :rules="rules" :model="formData">
        <el-form-item label="账号" prop="username">
          <el-input v-model="formData.username" />
        </el-form-item>

        <el-form-item label="密码" prop="password">
          <el-input v-model="formData.password" type="password" />
        </el-form-item>

        <el-form-item prop="remember">
          <el-checkbox v-model="formData.remember">记住我</el-checkbox>
        </el-form-item>

        <el-form-item>
          <el-button
            type="primary"
            class="login_btn"
            @click="login"
          >登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { mapActions } from 'vuex'
import { USER_INFO } from '@/constants/KEY'
export default {
  name: 'Login',
  data() {
    return {
      formData: {
        username: '',
        password: '',
        remember: false
      },
      rules: {
        username: [
          { required: true, message: '请输入账号', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' }
        ]
      }
    }
  },
  mounted() {
    const userData = localStorage.getItem(USER_INFO)
    if (userData) {
      const userInfo = JSON.parse(userData)
      this.formData.username = userInfo.username
      this.formData.password = userInfo.password
      this.formData.remember = true

      // this.formData = JSON.parse(userData)
    }
  },
  methods: {
    ...mapActions('user', ['loginActions']),
    login() {
      this.$refs.form.validate(async(isOK) => {
        if (isOK) {
          await this.loginActions({
            username: this.formData.username,
            password: this.formData.password
          })
          // 1. 判断是否勾选了'记住我'
          if (this.formData.remember) {
            // 2. 当前用户名和密码记录在本地
            localStorage.setItem(USER_INFO, JSON.stringify({
              username: this.formData.username,
              password: this.formData.password
            }
              // this.formData
            ))
          } else {
            localStorage.removeItem(USER_INFO)
          }
        }
        // push() 往历史记录里添加新的路由地址 A->B (回退到A)
        // replace() 替换当前路由地址 A到B (直接替换掉A，不会产生历史记录，回不到A)
        // 新开个标签页进行测试(历史记录是干净的)
        // 如果有刚才浏览过的页面，则登录后回到刚才浏览的页面，否则再去  工作台首页
        const { redirect } = this.$route.query
        this.$router.replace(redirect || '/')
      })
    }
  }
}
</script>

<style scoped lang="scss">
.login_body {
  display: flex;
}
.bg {
  width: 60vw;
  height: 100vh;
  background: url("~@/assets/login-bg.svg") no-repeat;
  background-position: right top;
  background-size: cover;
}
.box {
  margin: 200px 10% 0;
  flex: 1;
  .title {
    padding-bottom: 76px;
    font-size: 26px;
    font-weight: 500;
    color: #1e2023;
  }
  ::v-deep() {
    .ant-form-item {
      display: flex;
      margin-bottom: 62px;
      flex-direction: column;
    }
    .ant-form-item-label label {
      font-size: 16px;
      color: #8b929d;
    }
    .ant-input,
    .ant-input-password {
      border-radius: 8px;
    }
  }
}
.login_btn {
  width: 100%;
}
</style>
